The 351 Cleveland, or 351C, was Ford’s performance-oriented small-block V8 produced from 1970 through 1974. While it was never a factory option in F-100 trucks, the Cleveland has become a popular swap candidate for enthusiasts who want more power than a Windsor provides without stepping up to a big-block.
The Cleveland is distinguished from the Windsor by its larger ports, canted valve heads, and different block casting. Two-barrel versions are relatively mild, but four-barrel heads with large ports flow exceptionally well for the displacement. The Cleveland uses a different bellhousing bolt pattern than the Windsor, which matters for transmission compatibility during a swap.
Swapping a Cleveland into an F-100 requires attention to motor mount placement, cooling system capacity, and exhaust routing. The engine is physically similar in size to a 351 Windsor, making the swap feasible in trucks that originally housed a V8. Cleveland-specific parts are less common than Windsor parts, so plan ahead for rebuild components. For builders chasing performance in a period-correct Ford package, the 351C is an appealing option that splits the difference between a small-block and a big-block.